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arxiv: 1807.11286 · v1 · submitted 2018-07-30 · 💻 cs.SE

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Towards an automated approach for bug fix pattern detection

Fernanda Madeiral , Thomas Durieux , Victor Sobreira , Marcelo Maia
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classification 💻 cs.SE
keywords patternsrepairanalysisautomateddatasetsdefects4jdetectionevaluation
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The characterization of bug datasets is essential to support the evaluation of automatic program repair tools. In a previous work, we manually studied almost 400 human-written patches (bug fixes) from the Defects4J dataset and annotated them with properties, such as repair patterns. However, manually finding these patterns in different datasets is tedious and time-consuming. To address this activity, we designed and implemented PPD, a detector of repair patterns in patches, which performs source code change analysis at abstract-syntax tree level. In this paper, we report on PPD and its evaluation on Defects4J, where we compare the results from the automated detection with the results from the previous manual analysis. We found that PPD has overall precision of 91% and overall recall of 92%, and we conclude that PPD has the potential to detect as many repair patterns as human manual analysis.

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